The message sequence feature proved so popular with MM users that TOPS-20 MM author Mark Crispin went on to implement similar filtering capabilities in Pine.
British Columbia | Columbia University | Columbia Records | Columbia | Columbia River | Columbia Pictures | University of British Columbia | District of Columbia | Columbia, South Carolina | British Columbia Interior | Columbia Law School | Legislative Assembly of British Columbia | Columbia University College of Physicians and Surgeons | Columbia College | Columbia Business School | United States Court of Appeals for the District of Columbia Circuit | Columbia County, New York | Space Shuttle Columbia | Columbia, Missouri | Richmond, British Columbia | Columbia, Maryland | Surrey, British Columbia | Whistler, British Columbia | United States District Court for the District of Columbia | District of Columbia v. Heller | Columbia College, Columbia University | Columbia College Chicago | Vernon, British Columbia | Space Shuttle Columbia disaster | British Columbia Coast |